지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 209 - 217 (9page)
이용수
초록· 키워드
오류제보하기
Conventional coagulation techniques have shown inefficacy for the removal of DBPs precursor i.e. hydrophobic NOM. The present study has used a bio-flocculant named Ficus benghalensis to enhance the coagulation activity of alum for the removal of hydrophobic NOM. The coagulation activity of the augmented treatment (Alum-F. benghalensis) system was validated using spectroscopic analysis. The augmented system had shown an increment in DOC and A<SUB>254</SUB> removal by ~30% and ~16%, respectively. ASI and A<SUB>272</SUB> had shown a continual decrease (from 0.12 to 0.08 and 0.46 to 0.23, respectively) for the augmented system. Chlorine demand was found lesser for the augmented system (1.4 ㎎/L) compared to alum (1.55 ㎎/L) only. The augmented system had shown a drastic reduction (from 0.1459 to 0.0638) in the value of (-ΔA<SUB>272</SUB>), which is directly related to the reduction in THMFP. The combined effects of sweep coagulation and charge neutralization were the responsible mechanisms for the augmented coagulation system. The noteworthy anti-bacterial activity of F. benghalensis was observed due to the presence of silver, copper, and traces of chlorine in its structure. Thus, the proposed augmented coagulation system can be used to remove the hydrophobic NOM from the water.
목차
ABSTRACT
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References
참고문헌 (57)
참고문헌 신청
Fabris R, Chow CWK, Drikas M, Eikebrokk B. Comparison of NOM character in selected Australian and Norwegian drinking waters. Water Res. 2008;42(15):4188-4196.
Samios SA, Golfinopoulos SK. Haloacetamides in the Drinking Water of Athens, Greece: Determination and Degradation. Anal. Lett. 2016;49(7):1091-1101.
Majumder A, Gupta B, Gupta AK. Pharmaceutically active compounds in aqueous environment: A status, toxicity and insights of remediation. Environ. Res. 2019;176:108542.
Kim H-C, Yu M-J. Characterization of natural organic matter in conventional water treatment processes for selection of treatment processes focused on DBPs control. Water Res. 2005;39(19):4779-4789.
Richardson PH, Willmer J, Foster TJ. Dilute solution properties of guar and locust bean gum in sucrose solutions. Food Hydrocoll. 1998;12(3):339-348.
Samios SA, Golfinopoulos SK. Haloacetamides in the Drinking Water of Athens, Greece: Determination and Degradation. Anal. Lett. 2016;49(7):1091-1101.
Majumder A, Gupta B, Gupta AK. Pharmaceutically active compounds in aqueous environment: A status, toxicity and insights of remediation. Environ. Res. 2019;176:108542.
Kim H-C, Yu M-J. Characterization of natural organic matter in conventional water treatment processes for selection of treatment processes focused on DBPs control. Water Res. 2005;39(19):4779-4789.
Richardson PH, Willmer J, Foster TJ. Dilute solution properties of guar and locust bean gum in sucrose solutions. Food Hydrocoll. 1998;12(3):339-348.
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